Box-covering machine.



1. W. NASMITH.

BOX COVERING MACHINE.

APPLlCATlON FILED MAY 7, 1914.

Patented Jan. 16, 1917.

JOHN WILLIAM NASMITH, or I-IEATOQN ivrnnsnx, ENGLAND.

BOX-COVERING MACHINE.

Specification of Letters Patent.

Patented Jan. 16, 1917.

. Application filed May 7, 1914. Serial No. 836,899.

To all whom it may concern:

Be it known that I, JOHN WILLIAM NA- SMITH, of Heaton Mersey, Lancashire, England, have invented certain new and useful Improvements in Box-Covering Machines, of which the following is a specification.

This invention relates to machines for use in covering boxes with paper or the like.

In covering the ends and sides of boxes with the aid of a banding machine the covering-in the form of a paper or other bandis drawn from a roll, glued, and laid on the box; the edges of the paper project beyond the top and bottom edges of the box and afterward these projecting edges are turned-in and pressed on to the bottom of the box and around the edges and on to the inner faces of the sides and ends of the box. It has been proposed to effect this turning-in of the projecting edges of the covering by a machine comprising a table and four pairs of rollers: the box is placed upon the table and the lower rollers of each pair turn-in and press the lower projecting edges of the covering upon the bottom of the box for which purpose they perform a simple forward and backward movement and the upper rollers move forward to turn-in the upper edges of the covering over the edges of the box sides and ends and subsequently rock downward into the box so as to press the said turned-in edges against the inner faces of the said sides and ends.

The chief object of the present invention is to provide an improved turning-in machine of the above stated kind in which the turning-in rollers or members cooperate with the table and with each other and with a rigidly locked frame to hold the box firmly in position during the whole of the turningin operation and the withdrawal of the rollers out of the box and to this end the table is adapted to enter the box, which is placed thereon in inverted position; the upper rollers of each pair are adapted to reciprocate to press the lower edges of the covering on to the bottom of the box, which is meanwhile pressed upon and supported by the table, the lower rollers of each pair are'adapted to move under the edges of the box sides and ends and up the inner faces thereof in order to turn-in the upper edges of the covering and to press it against the inner faces of the said sides and ends, while the box supporting frame is securely sition until the lower rollers come out of the locked in a rigid pobox. By this construction it will be seen that the box cannot be displaced since the various thrusts upon it during the turningin operation and withdrawal are adequately met: the upward and outward thrusts of the rollers that turn-in the upper edges of the covering are respectively metas at present-by the downward thrust of the reciprocating rollers that turnin the lower edges of the covering and by the bars of the rigidly locked box-holding frame; and the downward thrust of the reciprocating rollers is met by the resistance of the table so that the edges of the box sides or ends cannot be made to project beyond the frame and into the path of the rollers and are therefore not damaged by the said rollers in coming out of the box to their initial position. These and other features will now be described with reference to the accompanying drawings in which- Figure 1 is a sectional side elevation of a portion of one construction of turning-in -machine according to this invention, Fig. 2

is a plan of the same, Fig. 3 is an enlarged end elevation of certain parts of the said machine and Fig. 4; is a sectional plan of the parts shown in Fig. 3. i 3 is the table which is adapted to receive a box 2 in its inverted position as shown in Fig. 1 of the drawing in which only one end of the box and one pair of turning-in rollers 7 8 are shown, although it will be understood that four such pairs of rollers are employed, as has been described above in connection with the prior constructions mentioned. The roller 7 is carried by arms 9 pivoted at 10 upon brackets 11 carried upon a bar 12 and adapted to be adjusted thereon; and the roller 8 is carried by arms 13 pivoted at 14 upon brackets 15 carried by bars 16 upon which they can be adjusted. The bars 12, 16 are carried by an upright 17 mounted upon a slide 18 adapted to be reciprocated to and fro in a guide 19 at the proper time by means of a cam as is well understood. I V

21 is one member of crossbar of the usual expanding frame; it is mounted upon rods 22 adapted to slide horizontally in bushings 23 and 2 1 in the upright 17 and in the frame 1 respectively; a cross-head 25 connects the outer ends of the rods 22 together and has pivoted upon it at 26 a stop lever 27 which is adapted to engage with a cross bar 28 of the frame; the cross head 25 also has of the rollers a against the box by the latch 27.

pivoted upon it a cam 29 which is connected by a rod to the sliding upright17 and which is adapted to run in contact with an anti-friction roller 31 on a cross-head 32 slidably mounted upon the rods drawn toward the cross head 25 by a spring 33. The: cam 29 is also adapted to come into contact with the pendent arm of the locking lever 27 in order to rock the latter about its pivot to remove the other am out of engagement with the cross bar 28, as shown in Figs. 1 and 2. V

WVhen the parts are in the position shown in Fig. 1 the operating cam for the pairs of rollers acts upon the sliding member 18, which carries the parts forward until the bar 21 comes against or nearly against the side of the box when the bar 21 stops either owing to its coming into contact with the side of the box or owing to. friction between the ends of the four bars 21. The cam 29 is then actuated owing to the relative movement between the upright 17 and the rods 22 and it acts on the roller 31'forcing the cross-head 32 forward and therefore increasing the tension of the spring 33 which insures that the frame consisting of the four bars 21 shall be pressed home and that the latch or lever 27 shall fall into engagement with the bar 28 thus locking the bar 21 against the box; the sliding upright 17 continues to move forward and the rollers 7 and 8 moveover the bar 21' and operate upon the projecting edges of the band 1 around the box; the roller 8 rolls forward and presses the edge of the band on to the bottom of the box and the box on to the table while the roller 7 turns the other edge of the handover into the'box', enters the box, and pressesthe covering against the inner face of the box side, which is meanwhile held up Upon the rollersreturning the bar 21 cannot give way under the pressure of the roller 7 since it is held by the latch 27 which is only released when the cam comes in contact with the pendent arm of the latch 27 (Fig. 1) and re leases the bars 21 by which time the roller is out of the box.

' Figs. 3 and 4 show the manner in which the upright 17 is adjustably secured in the slide 18; the former is provided on its lower face with a projection 3d of senii-wedge shared cross section as clearly shown in Fig. 3 this projection engages with one side of a longitudinal slot 35 in the slide 18, which slot is undercut as at 36 on one side the other side having arranged therein two wedges 37, 38; one held from moving longitudinally by two pins 39, but free to move laterally; and the. other provided with a hook 40 through which a screw 41 passes and is screwed into a tapped hole e2 in the slide 18, the screw engaging with a hook by means of its head 43 and a collar 14. It

22 and for actuating will be clear that the upright 17 carrying the turning-in rollers 7, 8 may be adjusted toward or away from the table 3 within the slot 35 and that when the desired position has been obtained the screw 11 is screwed into the hole 42 thus causing the wedge 38 to be pushed in and the projection 34: to be clamped against the side 36 of the slot 35 where it is firmly held.

Claims: v

1. In a machine for turning-in the edges of the coverings of boxes the combination of a table adapted to enter the box, which is inverted thereon; upper turning-in members adapted to press the lower edges of the covering on to the bottom of the box, while the latter is supported by the table; means for reciprocating the upper turning-in mem bers; lower turning-in members adapted to fold the upper edges of the covering over the edges of the box sides and ends and to press the said covering against the inner faces of the box sides and ends; a frame adapted to support the sides and ends of the box; means for moving the said frame into contact with the sides and ends of the box on the table; and means adapted to lock the said frame in its supporting position during the forward and backward movements of the turning-in members.

2. In a machine for turning-in the edges of the coverings of boxes the combination of means for supporting the box, upper and lower members adapted to turn-in the edges of the box covering, a reciprocating support for the turning-in members, means for actuating the said support, a frame adapted to support the sides and ends of the box; a main frame upon which the working parts are mounted, and a latch adapted to coopen ate with the main frame to lock the box supporting frame in its forward position.

3. In a machine for turning-in the edges of the coverings of boxes the combination of means for supporting the box, upper and lower members adapted to turn -in the edges of the box covering, a reciprocating support for the turning-in members, means the said support, a frame adapted to support the sides and ends of the box, a main frame, rods upon which the box side and end supporting frame is mounted the said rods being slidably mounted in the said main frame and in the reciprocating support for the turning-in members, a cross headfixed upon the rods that support each supporting frame member, a latch pivoted upon the said cross head and adapted to cooperate with the main frame to lock the box supporting frame in its forward position, a cam pivoted upon the said cross-head adapted to come into contact with the latch, a link pivotally connecting the reciprocating support for the turning-in members to the said cam whereby the latter is brought into contact with the latch to release the same upon the said reciprocating support sliding backward to cause, the turning-in members to return after having performed their functions.

4. In a machine for turning-in the edges of the coverings of boxes the combination of a table adapted to enter the box, which is inverted thereon; upper turning-in members adapted to press the lower edges of the covering on to the bottom of the box, while the latter is supported by the table; lower turning-in members adapted to fold the upper edges of the covering over the edges of the box sides and ends and to press the said covering against the inner faces of the box sides and ends; a reciprocating support for the turning-in members, means for actuating the said support, a frame adapted to support the sides and ends of the box; a main frame, rods upon which the box supporting frame members are mounted the said rods being slidably mounted in the said main frame and in the reciprocating support for the turning-in members, a cross head fixed upon the rods that support each supporting frame member, a latch pivoted upon the said cross head and adapted to cooperate with the main frame to lock the box supporting frame in its forward position, a cam pivoted upon the said cross-head adapted to come into contact with the latch, a link pivotally connecting the reciprocating support for the turning-in members to the said cam whereby the latter is brought into contact with the latch to release the same upon the said reciprocating support sliding backward to cause the turning-in members to return after having performed their functions.

5. In a machine for turning-in the edges of the coverings .of boxes the combination of a table adapted to enter the box, which is inverted thereon; upper turning-in members adapted to press the lower edges of the covering on to the bottom of the box, while the latter is supported by the table; lower turning-in members adapted to fold the upper edges of the covering over the edges of the box sides and ends and to press the said Copies of this patent may be obtained for five cents each, by addressing the mg the said support, a

the turning-in covering against the inner faces of the box sides and ends; a reciprocating support for the turning-in members, means for actuatmain frame, a box supporting frame and a latch adapted to cooperate with the main frame to lock the box supporting frame in its forward position.-

6. In a machine for turning-in the edges of the coverings of boxes the combination of means for supporting the box, upper and lower members adapted to turn-in the edges of the box covering, a reciprocating support for the turning-in members, means for actuating the said support, a frame adapted to support the sides and ends of the box; a main frame upon which the working parts are mounted, a latch adapted to cooperate with the main frame to lock the box supporting frame in its forward position and means for releasing the said latch when the turning-in members are returned to their normal position after performing their functions.

7. In a machine for turning-in the edges of the coverings of boxes the combination of a table adapted to enter the box, which is inverted thereon; upper turning-in members adapted to press the lower edges of the covering on to the bottom of the box, while the latter is supported by the table; lower turning-in members adapted to fold the upper edges of the covering over the edges of the box sides and ends and to press the said covering against the inner faces of the box sides and ends; a reciprocating support for members, means for actuatmg the said support, a main frame, a box supporting, frame a latch adapted to cooperate with the main frame to lock the box supporting frame in its forward position, and means for releasing the said latch when the turning-in members are returned to their normal position after performing their functions.

In testimony whereof I have aflixed my signature in presence of two witnesses.

JOHN WILLIAM NASMITH. Witnesses:

FRANCIS W. BARRAGLOUGH,

E. KINSEY.

Commissioner of intents.

Washington, D. 0. 

